BS ISO 11928-1-2000 Micrographics - Quality control of graphic COM recorders - Characteristics of the test frames《缩微摄影 图像COM记录器的质量控制 试验框架的特征》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 11928-1:2000 ICS 3

2、7.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Micrographics Quality control of graphic COM recorders Part 1: Characteristics of the test framesThis British Standard, having been prepared under the direction of the DISC Board, was published under the authority of the St

3、andards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 36362 7 BS ISO 11928-1:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 11928-1:2000 and implements it as the UK national standard. It super

4、sedes BS 7353: 1991 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee IDT/1, Document imaging applications, to Subcommittee IDT/1/1, Quality, which has the responsibility to: aid enquirers to understand the text; present to the responsible international

5、/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secreta

6、ry. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards E

7、lectronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages Thi

8、s document comprises a front cover, an inside front cover, the ISO title page, page ii to iv, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Referencenumber ISO11928-1:2000(E) INTERNATIONAL STANDARD ISO 11928-1 Firstedit

9、ion 2000-04-01 MicrographicsQualitycontrolofgraphic COMrecorders Part1: Characteristicsofthetestframes Micrographie Contrle de la qualit des imprimantes COM graphiques Partie 1: Caractristiques des cibles de contrleISO11928-1:2000(E) ii ISO11928-1:2000(E)iii Foreword ISO(theInternationalOrganization

10、forStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhas therighttoberepresentedonthatcommittee.In

11、ternationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirective

12、s,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. AttentionisdrawntothepossibilitythatsomeoftheelementsofthispartofISO11928maybethesubjectof patent

13、rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO11928-1waspreparedbyTechnicalCommitteeISO/TC171, Document imaging applications, Subcommittee SC 1, Quality. ISO11928consistsofthefollowingparts,underthegeneraltitle Micrographics Quality control of gra

14、phic COM recorders: Part 1: Characteristics of the test frames Part 2: Quality criteria and controlISO11928-1:2000(E) iv Introduction ThispartofISO11928hasbeenpreparedbecauseincreasingnumbersoftechnicaldrawingsarenowproduced onCOM,and,althoughtheirqualityisusuallyreasonable,theyarenotalwayscomparabl

15、ewithmicrofilmcopiesof hardcopydrawings.Thiscancausedifficultywhenbothkindsofdrawingareputintoaperturecardsandusedin systemsdesignedtodealwithmicrofilmcopiesofhard-copy-drawings. ThispartofISO11928hasthereforebeenpreparedtohelpuserstoestablishproceduresthatshouldensurethat thequalityofCOM-generatedd

16、rawingsisbothacceptableinitselfandcomparableinqualitywithtechnical drawingsonconventionalmicrofilmthatcomplieswithISO3272-1,ISO3272-2andISO3272-3.INTERNATIONALSTANDARD ISO11928-1:2000(E) 1 MicrographicsQualitycontrolofgraphicCOMrecorders Part1: Characteristicsofthetestframes 1 Scope ThispartofISO119

17、28specifiesthecharacteristicsofthetestframesusedforevaluatingtheimagequalityof microformsfromgraphicCOMrecorders. ItappliestographicCOMrecordersthatarecapableofproducingbothalphanumericandgraphicimagesoutput ontoblack-and-whitefilms. 2 Normativereference Thefollowingnormativedocumentcontainsprovisio

18、nswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO11928.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO11928areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionofthenorma

19、tivedocumentindicatedbelow.Forundatedreferences, thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintainregistersof currentlyvalidInternationalStandards. ISO6196-7:1992, Micrographics Vocabulary Part 7: Computer micrographics. 3 Termsanddefinitions Forthepurposesofthispart

20、ofISO11928,thetermsanddefinitionsgiveninISO6196-7andthefollowingapply. 3.1 testframe datafilewhichgeneratestestimagesonaCOMrecorder 4 Testframes 4.1 Testframeforcheckingframesize,linearityandpositioning Thetestframe(seeFigure1)shallcomprisearectangulargridequalinsizetothelargestimagethattheCOM recor

21、derproduces.Itshallbedividedbystraightlinesdrawninbothaxesatintervalsofone-eighthofthelengthof thelongaxis,fromthecentreoftheframe.Diagonallinesshallconnecttheoppositecornersoftheframeandthe midpointsofthesidesoftheframe. 4.2 Testframeforcheckingresolution,legibilityanddensity Thetestframe(seeFigure

22、2)shallcomprise: a) patternscomposedoffive-linegroupswithaletterbesideeachgrouptoidentifyit.Thespacialfrequencyof thelineswithinthefive-linegroupsshallbechosentoensurethatthepointofresolutionfailureoccurswithin therange;ISO11928-1:2000(E) 2 b) groupsoflower-caseletter“e”invarioussizes,withanumeralbe

23、sideeachgrouptoidentifyit.Thesizesofthe letter“e”shallbechosentoensurethatthepointoflegibilityfailureoccurswithintherange; c) anareaexposedbytheCOMrecordertoproduceanareasufficienttomeasureminimumdensity. NOTE Thisareamaybeaseparateframeforeachmeasurement. 4.3 Testframeforcheckingradialrecording The

24、testframe(seeFigure3)shallcompriseparallelpairsofradiallinesspacedat22,5,withtheseparationin eachpairoflinesbeingequaltothelinethickness. 4.4 Testframeforcheckingcurvedlines Thetestframe(seeFigure4)shallcompriseanumberofconcentriccircles,withradiallinesspacedat45.The fouroutercirclesshallbedrawnwith

25、doublelines. 4.5 Testframeforcheckingcharacterdisplayandrotation Thetestframe(seeFigure5)shallcompriseoflinesofcharacters,onelineateachoftheavailablecharactersizes, andsmalllinesofrotatedcharactersatthecornersoftheframe.ISO11928-1:2000(E)3 Figure1Samplelayoutoftestframeforcheckingframesize,linearity

26、andpositioning NOTE Thelettersatthecorners,midpointsandcentreoftheframehavebeenaddedforeaseofreferenceinthetext.They neednotappearonthefilm.ISO11928-1:2000(E) 4 Figure2Samplelayoutoftestframesforcheckingresolution,legibilityanddensityISO11928-1:2000(E)5 Figure3Samplelayoutoftestframeforcheckingradia

27、lrecordingISO11928-1:2000(E) 6 Figure4SamplelayoutoftestframeforcheckingcurvedlinesISO11928-1:2000(E)7 Figure5SamplelayoutoftestframeforcheckingcharacterdisplayandrotationBS ISO 11928-1:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

28、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards

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